CVE-2022-0650
Assigner: zdi
Published: 2023-03-28T00:00:00
State: PUBLISHED
descriptions: value: This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13993.
affected: vendor: TP-Link
product: TL-WR940N
versions: version: 3.20.1 Build 200316 Rel.34392n (5553)
status: affected
credits: value: Vadym Kolisnichenko
metrics: cvssV3_0: version: 3.0
vectorString: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT_NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
baseScore: 6.8
baseSeverity: MEDIUM
problemTypes: descriptions: type: CWE
description: CWE-121: Stack-based Buffer Overflow
cweId: CWE-121